Home / 53,767.50-74,199.15-30,215.50

Finding the Fourth Proportional to 53,767.50, 74,199.15 and 30,215.50

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Solution

The fourth proportional to 53,767.50, 74,199.15 and 30,215.50 is: 41,697.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,767.50 : 74,199.15 = 30,215.50 : x
  2. Step 2: Convert to fraction form
    53,767.50/74,199.15 = 30,215.50/x
  3. Step 3: Cross multiply
    53,767.50x = 74,199.15 × 30,215.50
  4. Step 4: Simplify right side
    53,767.50x = 2,241,964,416.83
  5. Step 5: Solve for x
    x = 2,241,964,416.83/53,767.50
  6. Step 6: Final answer
    x = 41,697.39

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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.