Home / 61,074.51-84,281.10-34,218.63

Finding the Fourth Proportional to 61,074.51, 84,281.10 and 34,218.63

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Solution

The fourth proportional to 61,074.51, 84,281.10 and 34,218.63 is: 47,220.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,074.51 : 84,281.10 = 34,218.63 : x
  2. Step 2: Convert to fraction form
    61,074.51/84,281.10 = 34,218.63/x
  3. Step 3: Cross multiply
    61,074.51x = 84,281.10 × 34,218.63
  4. Step 4: Simplify right side
    61,074.51x = 2,883,983,776.89
  5. Step 5: Solve for x
    x = 2,883,983,776.89/61,074.51
  6. Step 6: Final answer
    x = 47,220.74

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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.