Home / 35,770.31-49,357.54-21,426.77

Finding the Fourth Proportional to 35,770.31, 49,357.54 and 21,426.77

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Solution

The fourth proportional to 35,770.31, 49,357.54 and 21,426.77 is: 29,565.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,770.31 : 49,357.54 = 21,426.77 : x
  2. Step 2: Convert to fraction form
    35,770.31/49,357.54 = 21,426.77/x
  3. Step 3: Cross multiply
    35,770.31x = 49,357.54 × 21,426.77
  4. Step 4: Simplify right side
    35,770.31x = 1,057,572,727.17
  5. Step 5: Solve for x
    x = 1,057,572,727.17/35,770.31
  6. Step 6: Final answer
    x = 29,565.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.