Home / 84,417.72-126,655.48-31,842.24

Finding the Fourth Proportional to 84,417.72, 126,655.48 and 31,842.24

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Solution

The fourth proportional to 84,417.72, 126,655.48 and 31,842.24 is: 47,774.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,417.72 : 126,655.48 = 31,842.24 : x
  2. Step 2: Convert to fraction form
    84,417.72/126,655.48 = 31,842.24/x
  3. Step 3: Cross multiply
    84,417.72x = 126,655.48 × 31,842.24
  4. Step 4: Simplify right side
    84,417.72x = 4,032,994,191.48
  5. Step 5: Solve for x
    x = 4,032,994,191.48/84,417.72
  6. Step 6: Final answer
    x = 47,774.26

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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.