Home / 64,757.19-97,111.18-30,988.55

Finding the Fourth Proportional to 64,757.19, 97,111.18 and 30,988.55

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Solution

The fourth proportional to 64,757.19, 97,111.18 and 30,988.55 is: 46,471.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,757.19 : 97,111.18 = 30,988.55 : x
  2. Step 2: Convert to fraction form
    64,757.19/97,111.18 = 30,988.55/x
  3. Step 3: Cross multiply
    64,757.19x = 97,111.18 × 30,988.55
  4. Step 4: Simplify right side
    64,757.19x = 3,009,334,656.99
  5. Step 5: Solve for x
    x = 3,009,334,656.99/64,757.19
  6. Step 6: Final answer
    x = 46,471.05

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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.