Home / 56,931.78-78,582.54-33,069.18

Finding the Fourth Proportional to 56,931.78, 78,582.54 and 33,069.18

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Solution

The fourth proportional to 56,931.78, 78,582.54 and 33,069.18 is: 45,645.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,931.78 : 78,582.54 = 33,069.18 : x
  2. Step 2: Convert to fraction form
    56,931.78/78,582.54 = 33,069.18/x
  3. Step 3: Cross multiply
    56,931.78x = 78,582.54 × 33,069.18
  4. Step 4: Simplify right side
    56,931.78x = 2,598,660,160.12
  5. Step 5: Solve for x
    x = 2,598,660,160.12/56,931.78
  6. Step 6: Final answer
    x = 45,645.16

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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.