Home / 56,438.42-84,583.35-31,490.21

Finding the Fourth Proportional to 56,438.42, 84,583.35 and 31,490.21

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Solution

The fourth proportional to 56,438.42, 84,583.35 and 31,490.21 is: 47,193.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,438.42 : 84,583.35 = 31,490.21 : x
  2. Step 2: Convert to fraction form
    56,438.42/84,583.35 = 31,490.21/x
  3. Step 3: Cross multiply
    56,438.42x = 84,583.35 × 31,490.21
  4. Step 4: Simplify right side
    56,438.42x = 2,663,547,454.00
  5. Step 5: Solve for x
    x = 2,663,547,454.00/56,438.42
  6. Step 6: Final answer
    x = 47,193.87

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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.