Home / 39,384.68-59,080.70-15,686.51

Finding the Fourth Proportional to 39,384.68, 59,080.70 and 15,686.51

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Solution

The fourth proportional to 39,384.68, 59,080.70 and 15,686.51 is: 23,531.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,384.68 : 59,080.70 = 15,686.51 : x
  2. Step 2: Convert to fraction form
    39,384.68/59,080.70 = 15,686.51/x
  3. Step 3: Cross multiply
    39,384.68x = 59,080.70 × 15,686.51
  4. Step 4: Simplify right side
    39,384.68x = 926,769,617.52
  5. Step 5: Solve for x
    x = 926,769,617.52/39,384.68
  6. Step 6: Final answer
    x = 23,531.22

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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.