Home / 47,615.04-65,678.85-30,641.49

Finding the Fourth Proportional to 47,615.04, 65,678.85 and 30,641.49

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Solution

The fourth proportional to 47,615.04, 65,678.85 and 30,641.49 is: 42,266.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,615.04 : 65,678.85 = 30,641.49 : x
  2. Step 2: Convert to fraction form
    47,615.04/65,678.85 = 30,641.49/x
  3. Step 3: Cross multiply
    47,615.04x = 65,678.85 × 30,641.49
  4. Step 4: Simplify right side
    47,615.04x = 2,012,497,825.49
  5. Step 5: Solve for x
    x = 2,012,497,825.49/47,615.04
  6. Step 6: Final answer
    x = 42,266.01

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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.