Home / 42,323.48-63,478.74-11,161.16

Finding the Fourth Proportional to 42,323.48, 63,478.74 and 11,161.16

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Solution

The fourth proportional to 42,323.48, 63,478.74 and 11,161.16 is: 16,740.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,323.48 : 63,478.74 = 11,161.16 : x
  2. Step 2: Convert to fraction form
    42,323.48/63,478.74 = 11,161.16/x
  3. Step 3: Cross multiply
    42,323.48x = 63,478.74 × 11,161.16
  4. Step 4: Simplify right side
    42,323.48x = 708,496,273.46
  5. Step 5: Solve for x
    x = 708,496,273.46/42,323.48
  6. Step 6: Final answer
    x = 16,740.03

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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.