Home / 42,891.36-64,355.40-17,937.24

Finding the Fourth Proportional to 42,891.36, 64,355.40 and 17,937.24

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Solution

The fourth proportional to 42,891.36, 64,355.40 and 17,937.24 is: 26,913.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,891.36 : 64,355.40 = 17,937.24 : x
  2. Step 2: Convert to fraction form
    42,891.36/64,355.40 = 17,937.24/x
  3. Step 3: Cross multiply
    42,891.36x = 64,355.40 × 17,937.24
  4. Step 4: Simplify right side
    42,891.36x = 1,154,358,255.10
  5. Step 5: Solve for x
    x = 1,154,358,255.10/42,891.36
  6. Step 6: Final answer
    x = 26,913.54

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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.