Home / 42,921.17-64,368.57-29,679.24

Finding the Fourth Proportional to 42,921.17, 64,368.57 and 29,679.24

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Solution

The fourth proportional to 42,921.17, 64,368.57 and 29,679.24 is: 44,509.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,921.17 : 64,368.57 = 29,679.24 : x
  2. Step 2: Convert to fraction form
    42,921.17/64,368.57 = 29,679.24/x
  3. Step 3: Cross multiply
    42,921.17x = 64,368.57 × 29,679.24
  4. Step 4: Simplify right side
    42,921.17x = 1,910,410,590.17
  5. Step 5: Solve for x
    x = 1,910,410,590.17/42,921.17
  6. Step 6: Final answer
    x = 44,509.76

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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.