Home / 30,053.76-45,066.96-12,513.12

Finding the Fourth Proportional to 30,053.76, 45,066.96 and 12,513.12

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Solution

The fourth proportional to 30,053.76, 45,066.96 and 12,513.12 is: 18,763.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,053.76 : 45,066.96 = 12,513.12 : x
  2. Step 2: Convert to fraction form
    30,053.76/45,066.96 = 12,513.12/x
  3. Step 3: Cross multiply
    30,053.76x = 45,066.96 × 12,513.12
  4. Step 4: Simplify right side
    30,053.76x = 563,928,278.52
  5. Step 5: Solve for x
    x = 563,928,278.52/30,053.76
  6. Step 6: Final answer
    x = 18,763.98

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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.