Home / 53,386.56-73,680.80-30,725.10

Finding the Fourth Proportional to 53,386.56, 73,680.80 and 30,725.10

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Solution

The fourth proportional to 53,386.56, 73,680.80 and 30,725.10 is: 42,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,386.56 : 73,680.80 = 30,725.10 : x
  2. Step 2: Convert to fraction form
    53,386.56/73,680.80 = 30,725.10/x
  3. Step 3: Cross multiply
    53,386.56x = 73,680.80 × 30,725.10
  4. Step 4: Simplify right side
    53,386.56x = 2,263,849,948.08
  5. Step 5: Solve for x
    x = 2,263,849,948.08/53,386.56
  6. Step 6: Final answer
    x = 42,404.87

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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.