Home / 42,002.70-63,004.05-37,628.70

Finding the Fourth Proportional to 42,002.70, 63,004.05 and 37,628.70

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Solution

The fourth proportional to 42,002.70, 63,004.05 and 37,628.70 is: 56,443.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,002.70 : 63,004.05 = 37,628.70 : x
  2. Step 2: Convert to fraction form
    42,002.70/63,004.05 = 37,628.70/x
  3. Step 3: Cross multiply
    42,002.70x = 63,004.05 × 37,628.70
  4. Step 4: Simplify right side
    42,002.70x = 2,370,760,496.24
  5. Step 5: Solve for x
    x = 2,370,760,496.24/42,002.70
  6. Step 6: Final answer
    x = 56,443.05

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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.