Home / 47,925.04-66,101.36-30,920.64

Finding the Fourth Proportional to 47,925.04, 66,101.36 and 30,920.64

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Solution

The fourth proportional to 47,925.04, 66,101.36 and 30,920.64 is: 42,647.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,925.04 : 66,101.36 = 30,920.64 : x
  2. Step 2: Convert to fraction form
    47,925.04/66,101.36 = 30,920.64/x
  3. Step 3: Cross multiply
    47,925.04x = 66,101.36 × 30,920.64
  4. Step 4: Simplify right side
    47,925.04x = 2,043,896,356.07
  5. Step 5: Solve for x
    x = 2,043,896,356.07/47,925.04
  6. Step 6: Final answer
    x = 42,647.78

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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.