Home / 38,501.40-57,752.10-30,725.40

Finding the Fourth Proportional to 38,501.40, 57,752.10 and 30,725.40

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Solution

The fourth proportional to 38,501.40, 57,752.10 and 30,725.40 is: 46,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,501.40 : 57,752.10 = 30,725.40 : x
  2. Step 2: Convert to fraction form
    38,501.40/57,752.10 = 30,725.40/x
  3. Step 3: Cross multiply
    38,501.40x = 57,752.10 × 30,725.40
  4. Step 4: Simplify right side
    38,501.40x = 1,774,456,373.34
  5. Step 5: Solve for x
    x = 1,774,456,373.34/38,501.40
  6. Step 6: Final answer
    x = 46,088.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.