Home / 50,071.12-75,079.74-20,070.30

Finding the Fourth Proportional to 50,071.12, 75,079.74 and 20,070.30

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Solution

The fourth proportional to 50,071.12, 75,079.74 and 20,070.30 is: 30,094.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,071.12 : 75,079.74 = 20,070.30 : x
  2. Step 2: Convert to fraction form
    50,071.12/75,079.74 = 20,070.30/x
  3. Step 3: Cross multiply
    50,071.12x = 75,079.74 × 20,070.30
  4. Step 4: Simplify right side
    50,071.12x = 1,506,872,905.72
  5. Step 5: Solve for x
    x = 1,506,872,905.72/50,071.12
  6. Step 6: Final answer
    x = 30,094.65

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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.