Home / 34,111.40-47,077.07-20,692.13

Finding the Fourth Proportional to 34,111.40, 47,077.07 and 20,692.13

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Solution

The fourth proportional to 34,111.40, 47,077.07 and 20,692.13 is: 28,557.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,111.40 : 47,077.07 = 20,692.13 : x
  2. Step 2: Convert to fraction form
    34,111.40/47,077.07 = 20,692.13/x
  3. Step 3: Cross multiply
    34,111.40x = 47,077.07 × 20,692.13
  4. Step 4: Simplify right side
    34,111.40x = 974,124,513.61
  5. Step 5: Solve for x
    x = 974,124,513.61/34,111.40
  6. Step 6: Final answer
    x = 28,557.16

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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.