Home / 61,013.10-91,500.21-31,427.04

Finding the Fourth Proportional to 61,013.10, 91,500.21 and 31,427.04

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Solution

The fourth proportional to 61,013.10, 91,500.21 and 31,427.04 is: 47,130.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,013.10 : 91,500.21 = 31,427.04 : x
  2. Step 2: Convert to fraction form
    61,013.10/91,500.21 = 31,427.04/x
  3. Step 3: Cross multiply
    61,013.10x = 91,500.21 × 31,427.04
  4. Step 4: Simplify right side
    61,013.10x = 2,875,580,759.68
  5. Step 5: Solve for x
    x = 2,875,580,759.68/61,013.10
  6. Step 6: Final answer
    x = 47,130.55

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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.