Home / 39,859.50-59,795.14-21,134.74

Finding the Fourth Proportional to 39,859.50, 59,795.14 and 21,134.74

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Solution

The fourth proportional to 39,859.50, 59,795.14 and 21,134.74 is: 31,705.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,859.50 : 59,795.14 = 21,134.74 : x
  2. Step 2: Convert to fraction form
    39,859.50/59,795.14 = 21,134.74/x
  3. Step 3: Cross multiply
    39,859.50x = 59,795.14 × 21,134.74
  4. Step 4: Simplify right side
    39,859.50x = 1,263,754,737.16
  5. Step 5: Solve for x
    x = 1,263,754,737.16/39,859.50
  6. Step 6: Final answer
    x = 31,705.23

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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.