Home / 47,421.02-71,130.72-14,141.18

Finding the Fourth Proportional to 47,421.02, 71,130.72 and 14,141.18

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Solution

The fourth proportional to 47,421.02, 71,130.72 and 14,141.18 is: 21,211.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,421.02 : 71,130.72 = 14,141.18 : x
  2. Step 2: Convert to fraction form
    47,421.02/71,130.72 = 14,141.18/x
  3. Step 3: Cross multiply
    47,421.02x = 71,130.72 × 14,141.18
  4. Step 4: Simplify right side
    47,421.02x = 1,005,872,315.05
  5. Step 5: Solve for x
    x = 1,005,872,315.05/47,421.02
  6. Step 6: Final answer
    x = 21,211.53

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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.