Home / 47,055.45-70,244.70-40,319.42

Finding the Fourth Proportional to 47,055.45, 70,244.70 and 40,319.42

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Solution

The fourth proportional to 47,055.45, 70,244.70 and 40,319.42 is: 60,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,055.45 : 70,244.70 = 40,319.42 : x
  2. Step 2: Convert to fraction form
    47,055.45/70,244.70 = 40,319.42/x
  3. Step 3: Cross multiply
    47,055.45x = 70,244.70 × 40,319.42
  4. Step 4: Simplify right side
    47,055.45x = 2,832,225,173.05
  5. Step 5: Solve for x
    x = 2,832,225,173.05/47,055.45
  6. Step 6: Final answer
    x = 60,189.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.