Home / 40,722.03-56,191.18-22,812.63

Finding the Fourth Proportional to 40,722.03, 56,191.18 and 22,812.63

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Solution

The fourth proportional to 40,722.03, 56,191.18 and 22,812.63 is: 31,478.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,722.03 : 56,191.18 = 22,812.63 : x
  2. Step 2: Convert to fraction form
    40,722.03/56,191.18 = 22,812.63/x
  3. Step 3: Cross multiply
    40,722.03x = 56,191.18 × 22,812.63
  4. Step 4: Simplify right side
    40,722.03x = 1,281,868,598.60
  5. Step 5: Solve for x
    x = 1,281,868,598.60/40,722.03
  6. Step 6: Final answer
    x = 31,478.50

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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.