Home / 30,320.02-45,484.98-10,331.29

Finding the Fourth Proportional to 30,320.02, 45,484.98 and 10,331.29

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Solution

The fourth proportional to 30,320.02, 45,484.98 and 10,331.29 is: 15,498.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,320.02 : 45,484.98 = 10,331.29 : x
  2. Step 2: Convert to fraction form
    30,320.02/45,484.98 = 10,331.29/x
  3. Step 3: Cross multiply
    30,320.02x = 45,484.98 × 10,331.29
  4. Step 4: Simplify right side
    30,320.02x = 469,918,519.02
  5. Step 5: Solve for x
    x = 469,918,519.02/30,320.02
  6. Step 6: Final answer
    x = 15,498.62

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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.