Home / 47,420.02-71,129.22-14,140.18

Finding the Fourth Proportional to 47,420.02, 71,129.22 and 14,140.18

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Solution

The fourth proportional to 47,420.02, 71,129.22 and 14,140.18 is: 21,210.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,420.02 : 71,129.22 = 14,140.18 : x
  2. Step 2: Convert to fraction form
    47,420.02/71,129.22 = 14,140.18/x
  3. Step 3: Cross multiply
    47,420.02x = 71,129.22 × 14,140.18
  4. Step 4: Simplify right side
    47,420.02x = 1,005,779,974.06
  5. Step 5: Solve for x
    x = 1,005,779,974.06/47,420.02
  6. Step 6: Final answer
    x = 21,210.03

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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.