Home / 51,007.30-70,384.58-28,341.17

Finding the Fourth Proportional to 51,007.30, 70,384.58 and 28,341.17

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Solution

The fourth proportional to 51,007.30, 70,384.58 and 28,341.17 is: 39,107.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,007.30 : 70,384.58 = 28,341.17 : x
  2. Step 2: Convert to fraction form
    51,007.30/70,384.58 = 28,341.17/x
  3. Step 3: Cross multiply
    51,007.30x = 70,384.58 × 28,341.17
  4. Step 4: Simplify right side
    51,007.30x = 1,994,781,223.75
  5. Step 5: Solve for x
    x = 1,994,781,223.75/51,007.30
  6. Step 6: Final answer
    x = 39,107.76

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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.