Home / 42,680.36-64,030.92-14,217.24

Finding the Fourth Proportional to 42,680.36, 64,030.92 and 14,217.24

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Solution

The fourth proportional to 42,680.36, 64,030.92 and 14,217.24 is: 21,329.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,680.36 : 64,030.92 = 14,217.24 : x
  2. Step 2: Convert to fraction form
    42,680.36/64,030.92 = 14,217.24/x
  3. Step 3: Cross multiply
    42,680.36x = 64,030.92 × 14,217.24
  4. Step 4: Simplify right side
    42,680.36x = 910,342,957.06
  5. Step 5: Solve for x
    x = 910,342,957.06/42,680.36
  6. Step 6: Final answer
    x = 21,329.32

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1.5x scale

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.