Home / 35,514.16-53,271.23-12,140.80

Finding the Fourth Proportional to 35,514.16, 53,271.23 and 12,140.80

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Solution

The fourth proportional to 35,514.16, 53,271.23 and 12,140.80 is: 18,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,514.16 : 53,271.23 = 12,140.80 : x
  2. Step 2: Convert to fraction form
    35,514.16/53,271.23 = 12,140.80/x
  3. Step 3: Cross multiply
    35,514.16x = 53,271.23 × 12,140.80
  4. Step 4: Simplify right side
    35,514.16x = 646,755,349.18
  5. Step 5: Solve for x
    x = 646,755,349.18/35,514.16
  6. Step 6: Final answer
    x = 18,211.20

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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.