Home / 45,248.75-67,762.36-31,888.91

Finding the Fourth Proportional to 45,248.75, 67,762.36 and 31,888.91

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Solution

The fourth proportional to 45,248.75, 67,762.36 and 31,888.91 is: 47,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,248.75 : 67,762.36 = 31,888.91 : x
  2. Step 2: Convert to fraction form
    45,248.75/67,762.36 = 31,888.91/x
  3. Step 3: Cross multiply
    45,248.75x = 67,762.36 × 31,888.91
  4. Step 4: Simplify right side
    45,248.75x = 2,160,867,889.11
  5. Step 5: Solve for x
    x = 2,160,867,889.11/45,248.75
  6. Step 6: Final answer
    x = 47,755.30

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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.