Home / 35,643.24-53,440.56-18,079.20

Finding the Fourth Proportional to 35,643.24, 53,440.56 and 18,079.20

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Solution

The fourth proportional to 35,643.24, 53,440.56 and 18,079.20 is: 27,106.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,643.24 : 53,440.56 = 18,079.20 : x
  2. Step 2: Convert to fraction form
    35,643.24/53,440.56 = 18,079.20/x
  3. Step 3: Cross multiply
    35,643.24x = 53,440.56 × 18,079.20
  4. Step 4: Simplify right side
    35,643.24x = 966,162,572.35
  5. Step 5: Solve for x
    x = 966,162,572.35/35,643.24
  6. Step 6: Final answer
    x = 27,106.47

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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.