Home / 47,602.16-71,406.80-14,319.56

Finding the Fourth Proportional to 47,602.16, 71,406.80 and 14,319.56

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Solution

The fourth proportional to 47,602.16, 71,406.80 and 14,319.56 is: 21,480.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,602.16 : 71,406.80 = 14,319.56 : x
  2. Step 2: Convert to fraction form
    47,602.16/71,406.80 = 14,319.56/x
  3. Step 3: Cross multiply
    47,602.16x = 71,406.80 × 14,319.56
  4. Step 4: Simplify right side
    47,602.16x = 1,022,513,957.01
  5. Step 5: Solve for x
    x = 1,022,513,957.01/47,602.16
  6. Step 6: Final answer
    x = 21,480.41

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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.