Home / 35,279.95-48,677.96-19,966.70

Finding the Fourth Proportional to 35,279.95, 48,677.96 and 19,966.70

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Solution

The fourth proportional to 35,279.95, 48,677.96 and 19,966.70 is: 27,549.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,279.95 : 48,677.96 = 19,966.70 : x
  2. Step 2: Convert to fraction form
    35,279.95/48,677.96 = 19,966.70/x
  3. Step 3: Cross multiply
    35,279.95x = 48,677.96 × 19,966.70
  4. Step 4: Simplify right side
    35,279.95x = 971,938,223.93
  5. Step 5: Solve for x
    x = 971,938,223.93/35,279.95
  6. Step 6: Final answer
    x = 27,549.31

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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.