Home / 51,345.84-70,857.80-30,125.46

Finding the Fourth Proportional to 51,345.84, 70,857.80 and 30,125.46

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Solution

The fourth proportional to 51,345.84, 70,857.80 and 30,125.46 is: 41,573.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,345.84 : 70,857.80 = 30,125.46 : x
  2. Step 2: Convert to fraction form
    51,345.84/70,857.80 = 30,125.46/x
  3. Step 3: Cross multiply
    51,345.84x = 70,857.80 × 30,125.46
  4. Step 4: Simplify right side
    51,345.84x = 2,134,623,819.59
  5. Step 5: Solve for x
    x = 2,134,623,819.59/51,345.84
  6. Step 6: Final answer
    x = 41,573.45

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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.