Home / 35,308.40-53,154.98-30,487.28

Finding the Fourth Proportional to 35,308.40, 53,154.98 and 30,487.28

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Solution

The fourth proportional to 35,308.40, 53,154.98 and 30,487.28 is: 45,897.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,308.40 : 53,154.98 = 30,487.28 : x
  2. Step 2: Convert to fraction form
    35,308.40/53,154.98 = 30,487.28/x
  3. Step 3: Cross multiply
    35,308.40x = 53,154.98 × 30,487.28
  4. Step 4: Simplify right side
    35,308.40x = 1,620,550,758.65
  5. Step 5: Solve for x
    x = 1,620,550,758.65/35,308.40
  6. Step 6: Final answer
    x = 45,897.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.