Home / 53,987.36-74,503.68-30,115.04

Finding the Fourth Proportional to 53,987.36, 74,503.68 and 30,115.04

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Solution

The fourth proportional to 53,987.36, 74,503.68 and 30,115.04 is: 41,559.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,987.36 : 74,503.68 = 30,115.04 : x
  2. Step 2: Convert to fraction form
    53,987.36/74,503.68 = 30,115.04/x
  3. Step 3: Cross multiply
    53,987.36x = 74,503.68 × 30,115.04
  4. Step 4: Simplify right side
    53,987.36x = 2,243,681,303.35
  5. Step 5: Solve for x
    x = 2,243,681,303.35/53,987.36
  6. Step 6: Final answer
    x = 41,559.38

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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.