Home / 31,210.22-46,808.40-9,018.74

Finding the Fourth Proportional to 31,210.22, 46,808.40 and 9,018.74

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Solution

The fourth proportional to 31,210.22, 46,808.40 and 9,018.74 is: 13,526.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,210.22 : 46,808.40 = 9,018.74 : x
  2. Step 2: Convert to fraction form
    31,210.22/46,808.40 = 9,018.74/x
  3. Step 3: Cross multiply
    31,210.22x = 46,808.40 × 9,018.74
  4. Step 4: Simplify right side
    31,210.22x = 422,152,789.42
  5. Step 5: Solve for x
    x = 422,152,789.42/31,210.22
  6. Step 6: Final answer
    x = 13,526.11

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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.