Home / 55,070.30-75,998.63-38,966.46

Finding the Fourth Proportional to 55,070.30, 75,998.63 and 38,966.46

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Solution

The fourth proportional to 55,070.30, 75,998.63 and 38,966.46 is: 53,774.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,070.30 : 75,998.63 = 38,966.46 : x
  2. Step 2: Convert to fraction form
    55,070.30/75,998.63 = 38,966.46/x
  3. Step 3: Cross multiply
    55,070.30x = 75,998.63 × 38,966.46
  4. Step 4: Simplify right side
    55,070.30x = 2,961,397,381.12
  5. Step 5: Solve for x
    x = 2,961,397,381.12/55,070.30
  6. Step 6: Final answer
    x = 53,774.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.