Home / 42,306.80-63,465.64-14,214.72

Finding the Fourth Proportional to 42,306.80, 63,465.64 and 14,214.72

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Solution

The fourth proportional to 42,306.80, 63,465.64 and 14,214.72 is: 21,323.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,306.80 : 63,465.64 = 14,214.72 : x
  2. Step 2: Convert to fraction form
    42,306.80/63,465.64 = 14,214.72/x
  3. Step 3: Cross multiply
    42,306.80x = 63,465.64 × 14,214.72
  4. Step 4: Simplify right side
    42,306.80x = 902,146,302.22
  5. Step 5: Solve for x
    x = 902,146,302.22/42,306.80
  6. Step 6: Final answer
    x = 21,323.91

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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.