Home / 42,875.16-64,310.28-13,292.07

Finding the Fourth Proportional to 42,875.16, 64,310.28 and 13,292.07

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Solution

The fourth proportional to 42,875.16, 64,310.28 and 13,292.07 is: 19,937.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,875.16 : 64,310.28 = 13,292.07 : x
  2. Step 2: Convert to fraction form
    42,875.16/64,310.28 = 13,292.07/x
  3. Step 3: Cross multiply
    42,875.16x = 64,310.28 × 13,292.07
  4. Step 4: Simplify right side
    42,875.16x = 854,816,743.48
  5. Step 5: Solve for x
    x = 854,816,743.48/42,875.16
  6. Step 6: Final answer
    x = 19,937.34

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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.