Home / 53,015.32-73,148.40-30,045.76

Finding the Fourth Proportional to 53,015.32, 73,148.40 and 30,045.76

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Solution

The fourth proportional to 53,015.32, 73,148.40 and 30,045.76 is: 41,455.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,015.32 : 73,148.40 = 30,045.76 : x
  2. Step 2: Convert to fraction form
    53,015.32/73,148.40 = 30,045.76/x
  3. Step 3: Cross multiply
    53,015.32x = 73,148.40 × 30,045.76
  4. Step 4: Simplify right side
    53,015.32x = 2,197,799,270.78
  5. Step 5: Solve for x
    x = 2,197,799,270.78/53,015.32
  6. Step 6: Final answer
    x = 41,455.93

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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.