Home / 39,428.07-59,127.50-14,123.64

Finding the Fourth Proportional to 39,428.07, 59,127.50 and 14,123.64

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Solution

The fourth proportional to 39,428.07, 59,127.50 and 14,123.64 is: 21,180.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,428.07 : 59,127.50 = 14,123.64 : x
  2. Step 2: Convert to fraction form
    39,428.07/59,127.50 = 14,123.64/x
  3. Step 3: Cross multiply
    39,428.07x = 59,127.50 × 14,123.64
  4. Step 4: Simplify right side
    39,428.07x = 835,095,754.66
  5. Step 5: Solve for x
    x = 835,095,754.66/39,428.07
  6. Step 6: Final answer
    x = 21,180.23

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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.