Home / 51,151.74-70,592.95-31,009.47

Finding the Fourth Proportional to 51,151.74, 70,592.95 and 31,009.47

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Solution

The fourth proportional to 51,151.74, 70,592.95 and 31,009.47 is: 42,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,151.74 : 70,592.95 = 31,009.47 : x
  2. Step 2: Convert to fraction form
    51,151.74/70,592.95 = 31,009.47/x
  3. Step 3: Cross multiply
    51,151.74x = 70,592.95 × 31,009.47
  4. Step 4: Simplify right side
    51,151.74x = 2,189,049,810.19
  5. Step 5: Solve for x
    x = 2,189,049,810.19/51,151.74
  6. Step 6: Final answer
    x = 42,795.22

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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.