Home / 30,242.63-45,382.17-10,535.03

Finding the Fourth Proportional to 30,242.63, 45,382.17 and 10,535.03

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Solution

The fourth proportional to 30,242.63, 45,382.17 and 10,535.03 is: 15,808.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,242.63 : 45,382.17 = 10,535.03 : x
  2. Step 2: Convert to fraction form
    30,242.63/45,382.17 = 10,535.03/x
  3. Step 3: Cross multiply
    30,242.63x = 45,382.17 × 10,535.03
  4. Step 4: Simplify right side
    30,242.63x = 478,102,505.19
  5. Step 5: Solve for x
    x = 478,102,505.19/30,242.63
  6. Step 6: Final answer
    x = 15,808.89

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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.