Home / 51,017.41-70,400.61-28,354.93

Finding the Fourth Proportional to 51,017.41, 70,400.61 and 28,354.93

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Solution

The fourth proportional to 51,017.41, 70,400.61 and 28,354.93 is: 39,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,017.41 : 70,400.61 = 28,354.93 : x
  2. Step 2: Convert to fraction form
    51,017.41/70,400.61 = 28,354.93/x
  3. Step 3: Cross multiply
    51,017.41x = 70,400.61 × 28,354.93
  4. Step 4: Simplify right side
    51,017.41x = 1,996,204,368.51
  5. Step 5: Solve for x
    x = 1,996,204,368.51/51,017.41
  6. Step 6: Final answer
    x = 39,127.90

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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.