Home / 52,124.16-71,931.60-30,628.40

Finding the Fourth Proportional to 52,124.16, 71,931.60 and 30,628.40

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Solution

The fourth proportional to 52,124.16, 71,931.60 and 30,628.40 is: 42,267.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,124.16 : 71,931.60 = 30,628.40 : x
  2. Step 2: Convert to fraction form
    52,124.16/71,931.60 = 30,628.40/x
  3. Step 3: Cross multiply
    52,124.16x = 71,931.60 × 30,628.40
  4. Step 4: Simplify right side
    52,124.16x = 2,203,149,817.44
  5. Step 5: Solve for x
    x = 2,203,149,817.44/52,124.16
  6. Step 6: Final answer
    x = 42,267.34

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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.