Home / 51,333.68-70,841.64-30,128.24

Finding the Fourth Proportional to 51,333.68, 70,841.64 and 30,128.24

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Solution

The fourth proportional to 51,333.68, 70,841.64 and 30,128.24 is: 41,577.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,333.68 : 70,841.64 = 30,128.24 : x
  2. Step 2: Convert to fraction form
    51,333.68/70,841.64 = 30,128.24/x
  3. Step 3: Cross multiply
    51,333.68x = 70,841.64 × 30,128.24
  4. Step 4: Simplify right side
    51,333.68x = 2,134,333,931.91
  5. Step 5: Solve for x
    x = 2,134,333,931.91/51,333.68
  6. Step 6: Final answer
    x = 41,577.65

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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.