Home / 42,884.63-59,106.90-28,518.78

Finding the Fourth Proportional to 42,884.63, 59,106.90 and 28,518.78

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Solution

The fourth proportional to 42,884.63, 59,106.90 and 28,518.78 is: 39,306.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,884.63 : 59,106.90 = 28,518.78 : x
  2. Step 2: Convert to fraction form
    42,884.63/59,106.90 = 28,518.78/x
  3. Step 3: Cross multiply
    42,884.63x = 59,106.90 × 28,518.78
  4. Step 4: Simplify right side
    42,884.63x = 1,685,656,239.45
  5. Step 5: Solve for x
    x = 1,685,656,239.45/42,884.63
  6. Step 6: Final answer
    x = 39,306.77

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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.