Home / 40,860.91-56,386.75-22,711.55

Finding the Fourth Proportional to 40,860.91, 56,386.75 and 22,711.55

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Solution

The fourth proportional to 40,860.91, 56,386.75 and 22,711.55 is: 31,341.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,860.91 : 56,386.75 = 22,711.55 : x
  2. Step 2: Convert to fraction form
    40,860.91/56,386.75 = 22,711.55/x
  3. Step 3: Cross multiply
    40,860.91x = 56,386.75 × 22,711.55
  4. Step 4: Simplify right side
    40,860.91x = 1,280,630,491.96
  5. Step 5: Solve for x
    x = 1,280,630,491.96/40,860.91
  6. Step 6: Final answer
    x = 31,341.21

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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.