Home / 51,335.68-70,844.40-30,130.24

Finding the Fourth Proportional to 51,335.68, 70,844.40 and 30,130.24

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Solution

The fourth proportional to 51,335.68, 70,844.40 and 30,130.24 is: 41,580.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,335.68 : 70,844.40 = 30,130.24 : x
  2. Step 2: Convert to fraction form
    51,335.68/70,844.40 = 30,130.24/x
  3. Step 3: Cross multiply
    51,335.68x = 70,844.40 × 30,130.24
  4. Step 4: Simplify right side
    51,335.68x = 2,134,558,774.66
  5. Step 5: Solve for x
    x = 2,134,558,774.66/51,335.68
  6. Step 6: Final answer
    x = 41,580.41

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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.