Home / 37,428,000.20-56,142,000.30-21,303,686.60

Finding the Fourth Proportional to 37,428,000.20, 56,142,000.30 and 21,303,686.60

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Solution

The fourth proportional to 37,428,000.20, 56,142,000.30 and 21,303,686.60 is: 31,955,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,428,000.20 : 56,142,000.30 = 21,303,686.60 : x
  2. Step 2: Convert to fraction form
    37,428,000.20/56,142,000.30 = 21,303,686.60/x
  3. Step 3: Cross multiply
    37,428,000.20x = 56,142,000.30 × 21,303,686.60
  4. Step 4: Simplify right side
    37,428,000.20x = 1,196,031,579,488,306
  5. Step 5: Solve for x
    x = 1,196,031,579,488,306/37,428,000.20
  6. Step 6: Final answer
    x = 31,955,529.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.