Home / 58,356.72-87,525.36-20,908.80

Finding the Fourth Proportional to 58,356.72, 87,525.36 and 20,908.80

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Solution

The fourth proportional to 58,356.72, 87,525.36 and 20,908.80 is: 31,359.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,356.72 : 87,525.36 = 20,908.80 : x
  2. Step 2: Convert to fraction form
    58,356.72/87,525.36 = 20,908.80/x
  3. Step 3: Cross multiply
    58,356.72x = 87,525.36 × 20,908.80
  4. Step 4: Simplify right side
    58,356.72x = 1,830,050,247.17
  5. Step 5: Solve for x
    x = 1,830,050,247.17/58,356.72
  6. Step 6: Final answer
    x = 31,359.72

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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.