Home / 61,248.15-84,438.86-39,698.91

Finding the Fourth Proportional to 61,248.15, 84,438.86 and 39,698.91

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Solution

The fourth proportional to 61,248.15, 84,438.86 and 39,698.91 is: 54,730.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,248.15 : 84,438.86 = 39,698.91 : x
  2. Step 2: Convert to fraction form
    61,248.15/84,438.86 = 39,698.91/x
  3. Step 3: Cross multiply
    61,248.15x = 84,438.86 × 39,698.91
  4. Step 4: Simplify right side
    61,248.15x = 3,352,130,505.15
  5. Step 5: Solve for x
    x = 3,352,130,505.15/61,248.15
  6. Step 6: Final answer
    x = 54,730.31

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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.