Home / 56,726.50-78,282.93-31,576.18

Finding the Fourth Proportional to 56,726.50, 78,282.93 and 31,576.18

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Solution

The fourth proportional to 56,726.50, 78,282.93 and 31,576.18 is: 43,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,726.50 : 78,282.93 = 31,576.18 : x
  2. Step 2: Convert to fraction form
    56,726.50/78,282.93 = 31,576.18/x
  3. Step 3: Cross multiply
    56,726.50x = 78,282.93 × 31,576.18
  4. Step 4: Simplify right side
    56,726.50x = 2,471,875,888.61
  5. Step 5: Solve for x
    x = 2,471,875,888.61/56,726.50
  6. Step 6: Final answer
    x = 43,575.33

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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.