Home / 74,627.56-111,941.08-30,254.20

Finding the Fourth Proportional to 74,627.56, 111,941.08 and 30,254.20

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Solution

The fourth proportional to 74,627.56, 111,941.08 and 30,254.20 is: 45,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,627.56 : 111,941.08 = 30,254.20 : x
  2. Step 2: Convert to fraction form
    74,627.56/111,941.08 = 30,254.20/x
  3. Step 3: Cross multiply
    74,627.56x = 111,941.08 × 30,254.20
  4. Step 4: Simplify right side
    74,627.56x = 3,386,688,181.81
  5. Step 5: Solve for x
    x = 3,386,688,181.81/74,627.56
  6. Step 6: Final answer
    x = 45,381.20

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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.