Home / 30,637.32-45,934.36-11,901.76

Finding the Fourth Proportional to 30,637.32, 45,934.36 and 11,901.76

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Solution

The fourth proportional to 30,637.32, 45,934.36 and 11,901.76 is: 17,844.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,637.32 : 45,934.36 = 11,901.76 : x
  2. Step 2: Convert to fraction form
    30,637.32/45,934.36 = 11,901.76/x
  3. Step 3: Cross multiply
    30,637.32x = 45,934.36 × 11,901.76
  4. Step 4: Simplify right side
    30,637.32x = 546,699,728.47
  5. Step 5: Solve for x
    x = 546,699,728.47/30,637.32
  6. Step 6: Final answer
    x = 17,844.24

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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.