Home / 30,888.01-42,655.71-26,385.49

Finding the Fourth Proportional to 30,888.01, 42,655.71 and 26,385.49

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Solution

The fourth proportional to 30,888.01, 42,655.71 and 26,385.49 is: 36,437.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888.01 : 42,655.71 = 26,385.49 : x
  2. Step 2: Convert to fraction form
    30,888.01/42,655.71 = 26,385.49/x
  3. Step 3: Cross multiply
    30,888.01x = 42,655.71 × 26,385.49
  4. Step 4: Simplify right side
    30,888.01x = 1,125,491,809.65
  5. Step 5: Solve for x
    x = 1,125,491,809.65/30,888.01
  6. Step 6: Final answer
    x = 36,437.82

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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.