Home / 47,312.75-65,292.54-30,574.91

Finding the Fourth Proportional to 47,312.75, 65,292.54 and 30,574.91

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Solution

The fourth proportional to 47,312.75, 65,292.54 and 30,574.91 is: 42,193.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,312.75 : 65,292.54 = 30,574.91 : x
  2. Step 2: Convert to fraction form
    47,312.75/65,292.54 = 30,574.91/x
  3. Step 3: Cross multiply
    47,312.75x = 65,292.54 × 30,574.91
  4. Step 4: Simplify right side
    47,312.75x = 1,996,313,534.17
  5. Step 5: Solve for x
    x = 1,996,313,534.17/47,312.75
  6. Step 6: Final answer
    x = 42,193.99

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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.