Home / 39,307.77-58,962.30-21,888.33

Finding the Fourth Proportional to 39,307.77, 58,962.30 and 21,888.33

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Solution

The fourth proportional to 39,307.77, 58,962.30 and 21,888.33 is: 32,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,307.77 : 58,962.30 = 21,888.33 : x
  2. Step 2: Convert to fraction form
    39,307.77/58,962.30 = 21,888.33/x
  3. Step 3: Cross multiply
    39,307.77x = 58,962.30 × 21,888.33
  4. Step 4: Simplify right side
    39,307.77x = 1,290,586,279.96
  5. Step 5: Solve for x
    x = 1,290,586,279.96/39,307.77
  6. Step 6: Final answer
    x = 32,832.85

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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.