Home / 30,124.29-45,155.09-10,118.93

Finding the Fourth Proportional to 30,124.29, 45,155.09 and 10,118.93

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Solution

The fourth proportional to 30,124.29, 45,155.09 and 10,118.93 is: 15,167.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,124.29 : 45,155.09 = 10,118.93 : x
  2. Step 2: Convert to fraction form
    30,124.29/45,155.09 = 10,118.93/x
  3. Step 3: Cross multiply
    30,124.29x = 45,155.09 × 10,118.93
  4. Step 4: Simplify right side
    30,124.29x = 456,921,333.04
  5. Step 5: Solve for x
    x = 456,921,333.04/30,124.29
  6. Step 6: Final answer
    x = 15,167.87

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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.