Home / 40,389.04-60,592.30-12,308.36

Finding the Fourth Proportional to 40,389.04, 60,592.30 and 12,308.36

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Solution

The fourth proportional to 40,389.04, 60,592.30 and 12,308.36 is: 18,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,389.04 : 60,592.30 = 12,308.36 : x
  2. Step 2: Convert to fraction form
    40,389.04/60,592.30 = 12,308.36/x
  3. Step 3: Cross multiply
    40,389.04x = 60,592.30 × 12,308.36
  4. Step 4: Simplify right side
    40,389.04x = 745,791,577.13
  5. Step 5: Solve for x
    x = 745,791,577.13/40,389.04
  6. Step 6: Final answer
    x = 18,465.20

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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.