Home / 40,465.47-60,705.51-12,385.02

Finding the Fourth Proportional to 40,465.47, 60,705.51 and 12,385.02

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Solution

The fourth proportional to 40,465.47, 60,705.51 and 12,385.02 is: 18,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,465.47 : 60,705.51 = 12,385.02 : x
  2. Step 2: Convert to fraction form
    40,465.47/60,705.51 = 12,385.02/x
  3. Step 3: Cross multiply
    40,465.47x = 60,705.51 × 12,385.02
  4. Step 4: Simplify right side
    40,465.47x = 751,838,955.46
  5. Step 5: Solve for x
    x = 751,838,955.46/40,465.47
  6. Step 6: Final answer
    x = 18,579.77

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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.