Home / 42,712.26-64,047.18-14,624.40

Finding the Fourth Proportional to 42,712.26, 64,047.18 and 14,624.40

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Solution

The fourth proportional to 42,712.26, 64,047.18 and 14,624.40 is: 21,929.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,712.26 : 64,047.18 = 14,624.40 : x
  2. Step 2: Convert to fraction form
    42,712.26/64,047.18 = 14,624.40/x
  3. Step 3: Cross multiply
    42,712.26x = 64,047.18 × 14,624.40
  4. Step 4: Simplify right side
    42,712.26x = 936,651,579.19
  5. Step 5: Solve for x
    x = 936,651,579.19/42,712.26
  6. Step 6: Final answer
    x = 21,929.34

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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.