Home / 36,045.40-54,068.10-21,283.15

Finding the Fourth Proportional to 36,045.40, 54,068.10 and 21,283.15

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Solution

The fourth proportional to 36,045.40, 54,068.10 and 21,283.15 is: 31,924.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,045.40 : 54,068.10 = 21,283.15 : x
  2. Step 2: Convert to fraction form
    36,045.40/54,068.10 = 21,283.15/x
  3. Step 3: Cross multiply
    36,045.40x = 54,068.10 × 21,283.15
  4. Step 4: Simplify right side
    36,045.40x = 1,150,739,482.52
  5. Step 5: Solve for x
    x = 1,150,739,482.52/36,045.40
  6. Step 6: Final answer
    x = 31,924.73

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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.