Home / 56,523.62-78,002.67-31,030.13

Finding the Fourth Proportional to 56,523.62, 78,002.67 and 31,030.13

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Solution

The fourth proportional to 56,523.62, 78,002.67 and 31,030.13 is: 42,821.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,523.62 : 78,002.67 = 31,030.13 : x
  2. Step 2: Convert to fraction form
    56,523.62/78,002.67 = 31,030.13/x
  3. Step 3: Cross multiply
    56,523.62x = 78,002.67 × 31,030.13
  4. Step 4: Simplify right side
    56,523.62x = 2,420,432,990.45
  5. Step 5: Solve for x
    x = 2,420,432,990.45/56,523.62
  6. Step 6: Final answer
    x = 42,821.62

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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.