Home / 56,217.12-77,576.58-31,065

Finding the Fourth Proportional to 56,217.12, 77,576.58 and 31,065

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Solution

The fourth proportional to 56,217.12, 77,576.58 and 31,065 is: 42,868.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,217.12 : 77,576.58 = 31,065 : x
  2. Step 2: Convert to fraction form
    56,217.12/77,576.58 = 31,065/x
  3. Step 3: Cross multiply
    56,217.12x = 77,576.58 × 31,065
  4. Step 4: Simplify right side
    56,217.12x = 2,409,916,457.70
  5. Step 5: Solve for x
    x = 2,409,916,457.70/56,217.12
  6. Step 6: Final answer
    x = 42,868.02

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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.