Home / 42,779.64-64,153.48-14,691.72

Finding the Fourth Proportional to 42,779.64, 64,153.48 and 14,691.72

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Solution

The fourth proportional to 42,779.64, 64,153.48 and 14,691.72 is: 22,032.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,779.64 : 64,153.48 = 14,691.72 : x
  2. Step 2: Convert to fraction form
    42,779.64/64,153.48 = 14,691.72/x
  3. Step 3: Cross multiply
    42,779.64x = 64,153.48 × 14,691.72
  4. Step 4: Simplify right side
    42,779.64x = 942,524,965.19
  5. Step 5: Solve for x
    x = 942,524,965.19/42,779.64
  6. Step 6: Final answer
    x = 22,032.09

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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.