Home / 51,122.04-70,547.70-28,461

Finding the Fourth Proportional to 51,122.04, 70,547.70 and 28,461

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Solution

The fourth proportional to 51,122.04, 70,547.70 and 28,461 is: 39,275.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,122.04 : 70,547.70 = 28,461 : x
  2. Step 2: Convert to fraction form
    51,122.04/70,547.70 = 28,461/x
  3. Step 3: Cross multiply
    51,122.04x = 70,547.70 × 28,461
  4. Step 4: Simplify right side
    51,122.04x = 2,007,858,089.70
  5. Step 5: Solve for x
    x = 2,007,858,089.70/51,122.04
  6. Step 6: Final answer
    x = 39,275.78

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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.