Home / 40,692.30-61,038.45-14,399.70

Finding the Fourth Proportional to 40,692.30, 61,038.45 and 14,399.70

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Solution

The fourth proportional to 40,692.30, 61,038.45 and 14,399.70 is: 21,599.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,692.30 : 61,038.45 = 14,399.70 : x
  2. Step 2: Convert to fraction form
    40,692.30/61,038.45 = 14,399.70/x
  3. Step 3: Cross multiply
    40,692.30x = 61,038.45 × 14,399.70
  4. Step 4: Simplify right side
    40,692.30x = 878,935,368.47
  5. Step 5: Solve for x
    x = 878,935,368.47/40,692.30
  6. Step 6: Final answer
    x = 21,599.55

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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.