Home / 38,303.81-57,455.52-9,840.74

Finding the Fourth Proportional to 38,303.81, 57,455.52 and 9,840.74

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Solution

The fourth proportional to 38,303.81, 57,455.52 and 9,840.74 is: 14,761.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,303.81 : 57,455.52 = 9,840.74 : x
  2. Step 2: Convert to fraction form
    38,303.81/57,455.52 = 9,840.74/x
  3. Step 3: Cross multiply
    38,303.81x = 57,455.52 × 9,840.74
  4. Step 4: Simplify right side
    38,303.81x = 565,404,565.06
  5. Step 5: Solve for x
    x = 565,404,565.06/38,303.81
  6. Step 6: Final answer
    x = 14,761.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.