Home / 35,995.16-53,987.52-13,814.12

Finding the Fourth Proportional to 35,995.16, 53,987.52 and 13,814.12

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Solution

The fourth proportional to 35,995.16, 53,987.52 and 13,814.12 is: 20,719.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,995.16 : 53,987.52 = 13,814.12 : x
  2. Step 2: Convert to fraction form
    35,995.16/53,987.52 = 13,814.12/x
  3. Step 3: Cross multiply
    35,995.16x = 53,987.52 × 13,814.12
  4. Step 4: Simplify right side
    35,995.16x = 745,790,079.78
  5. Step 5: Solve for x
    x = 745,790,079.78/35,995.16
  6. Step 6: Final answer
    x = 20,719.18

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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.