Home / 30,476.16-45,714.24-13,835.52

Finding the Fourth Proportional to 30,476.16, 45,714.24 and 13,835.52

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Solution

The fourth proportional to 30,476.16, 45,714.24 and 13,835.52 is: 20,753.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,476.16 : 45,714.24 = 13,835.52 : x
  2. Step 2: Convert to fraction form
    30,476.16/45,714.24 = 13,835.52/x
  3. Step 3: Cross multiply
    30,476.16x = 45,714.24 × 13,835.52
  4. Step 4: Simplify right side
    30,476.16x = 632,480,281.80
  5. Step 5: Solve for x
    x = 632,480,281.80/30,476.16
  6. Step 6: Final answer
    x = 20,753.28

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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.