Home / 51,117.38-70,541.22-28,456.32

Finding the Fourth Proportional to 51,117.38, 70,541.22 and 28,456.32

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Solution

The fourth proportional to 51,117.38, 70,541.22 and 28,456.32 is: 39,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,117.38 : 70,541.22 = 28,456.32 : x
  2. Step 2: Convert to fraction form
    51,117.38/70,541.22 = 28,456.32/x
  3. Step 3: Cross multiply
    51,117.38x = 70,541.22 × 28,456.32
  4. Step 4: Simplify right side
    51,117.38x = 2,007,343,529.51
  5. Step 5: Solve for x
    x = 2,007,343,529.51/51,117.38
  6. Step 6: Final answer
    x = 39,269.30

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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.