Home / 40,307.90-55,624.50-22,402.55

Finding the Fourth Proportional to 40,307.90, 55,624.50 and 22,402.55

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Solution

The fourth proportional to 40,307.90, 55,624.50 and 22,402.55 is: 30,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,307.90 : 55,624.50 = 22,402.55 : x
  2. Step 2: Convert to fraction form
    40,307.90/55,624.50 = 22,402.55/x
  3. Step 3: Cross multiply
    40,307.90x = 55,624.50 × 22,402.55
  4. Step 4: Simplify right side
    40,307.90x = 1,246,130,642.48
  5. Step 5: Solve for x
    x = 1,246,130,642.48/40,307.90
  6. Step 6: Final answer
    x = 30,915.30

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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.