Home / 54,782.76-75,602.48-30,909.34

Finding the Fourth Proportional to 54,782.76, 75,602.48 and 30,909.34

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Solution

The fourth proportional to 54,782.76, 75,602.48 and 30,909.34 is: 42,656.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,782.76 : 75,602.48 = 30,909.34 : x
  2. Step 2: Convert to fraction form
    54,782.76/75,602.48 = 30,909.34/x
  3. Step 3: Cross multiply
    54,782.76x = 75,602.48 × 30,909.34
  4. Step 4: Simplify right side
    54,782.76x = 2,336,822,759.16
  5. Step 5: Solve for x
    x = 2,336,822,759.16/54,782.76
  6. Step 6: Final answer
    x = 42,656.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.