Home / 35,247.42-48,613.14-30,989.40

Finding the Fourth Proportional to 35,247.42, 48,613.14 and 30,989.40

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Solution

The fourth proportional to 35,247.42, 48,613.14 and 30,989.40 is: 42,740.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,247.42 : 48,613.14 = 30,989.40 : x
  2. Step 2: Convert to fraction form
    35,247.42/48,613.14 = 30,989.40/x
  3. Step 3: Cross multiply
    35,247.42x = 48,613.14 × 30,989.40
  4. Step 4: Simplify right side
    35,247.42x = 1,506,492,040.72
  5. Step 5: Solve for x
    x = 1,506,492,040.72/35,247.42
  6. Step 6: Final answer
    x = 42,740.49

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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.