Home / 56,045.40-77,336.01-38,134.68

Finding the Fourth Proportional to 56,045.40, 77,336.01 and 38,134.68

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Solution

The fourth proportional to 56,045.40, 77,336.01 and 38,134.68 is: 52,621.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,045.40 : 77,336.01 = 38,134.68 : x
  2. Step 2: Convert to fraction form
    56,045.40/77,336.01 = 38,134.68/x
  3. Step 3: Cross multiply
    56,045.40x = 77,336.01 × 38,134.68
  4. Step 4: Simplify right side
    56,045.40x = 2,949,183,993.83
  5. Step 5: Solve for x
    x = 2,949,183,993.83/56,045.40
  6. Step 6: Final answer
    x = 52,621.34

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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.