Home / 61,030.80-84,215.13-34,171.20

Finding the Fourth Proportional to 61,030.80, 84,215.13 and 34,171.20

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Solution

The fourth proportional to 61,030.80, 84,215.13 and 34,171.20 is: 47,152.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,030.80 : 84,215.13 = 34,171.20 : x
  2. Step 2: Convert to fraction form
    61,030.80/84,215.13 = 34,171.20/x
  3. Step 3: Cross multiply
    61,030.80x = 84,215.13 × 34,171.20
  4. Step 4: Simplify right side
    61,030.80x = 2,877,732,050.26
  5. Step 5: Solve for x
    x = 2,877,732,050.26/61,030.80
  6. Step 6: Final answer
    x = 47,152.13

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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.