Home / 45,689.28-63,032.70-30,383.16

Finding the Fourth Proportional to 45,689.28, 63,032.70 and 30,383.16

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Solution

The fourth proportional to 45,689.28, 63,032.70 and 30,383.16 is: 41,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,689.28 : 63,032.70 = 30,383.16 : x
  2. Step 2: Convert to fraction form
    45,689.28/63,032.70 = 30,383.16/x
  3. Step 3: Cross multiply
    45,689.28x = 63,032.70 × 30,383.16
  4. Step 4: Simplify right side
    45,689.28x = 1,915,132,609.33
  5. Step 5: Solve for x
    x = 1,915,132,609.33/45,689.28
  6. Step 6: Final answer
    x = 41,916.45

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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.