Home / 39,775.70-59,663.28-13,498.94

Finding the Fourth Proportional to 39,775.70, 59,663.28 and 13,498.94

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Solution

The fourth proportional to 39,775.70, 59,663.28 and 13,498.94 is: 20,248.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,775.70 : 59,663.28 = 13,498.94 : x
  2. Step 2: Convert to fraction form
    39,775.70/59,663.28 = 13,498.94/x
  3. Step 3: Cross multiply
    39,775.70x = 59,663.28 × 13,498.94
  4. Step 4: Simplify right side
    39,775.70x = 805,391,036.92
  5. Step 5: Solve for x
    x = 805,391,036.92/39,775.70
  6. Step 6: Final answer
    x = 20,248.32

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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.