Home / 42,961.12-64,365.45-17,946.13

Finding the Fourth Proportional to 42,961.12, 64,365.45 and 17,946.13

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Solution

The fourth proportional to 42,961.12, 64,365.45 and 17,946.13 is: 26,887.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,961.12 : 64,365.45 = 17,946.13 : x
  2. Step 2: Convert to fraction form
    42,961.12/64,365.45 = 17,946.13/x
  3. Step 3: Cross multiply
    42,961.12x = 64,365.45 × 17,946.13
  4. Step 4: Simplify right side
    42,961.12x = 1,155,110,733.21
  5. Step 5: Solve for x
    x = 1,155,110,733.21/42,961.12
  6. Step 6: Final answer
    x = 26,887.35

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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.