Home / 39,681.36-59,522.36-15,989.20

Finding the Fourth Proportional to 39,681.36, 59,522.36 and 15,989.20

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Solution

The fourth proportional to 39,681.36, 59,522.36 and 15,989.20 is: 23,983.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,681.36 : 59,522.36 = 15,989.20 : x
  2. Step 2: Convert to fraction form
    39,681.36/59,522.36 = 15,989.20/x
  3. Step 3: Cross multiply
    39,681.36x = 59,522.36 × 15,989.20
  4. Step 4: Simplify right side
    39,681.36x = 951,714,918.51
  5. Step 5: Solve for x
    x = 951,714,918.51/39,681.36
  6. Step 6: Final answer
    x = 23,983.93

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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.