Home / 30,875.67-46,313.19-8,689.05

Finding the Fourth Proportional to 30,875.67, 46,313.19 and 8,689.05

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Solution

The fourth proportional to 30,875.67, 46,313.19 and 8,689.05 is: 13,033.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,875.67 : 46,313.19 = 8,689.05 : x
  2. Step 2: Convert to fraction form
    30,875.67/46,313.19 = 8,689.05/x
  3. Step 3: Cross multiply
    30,875.67x = 46,313.19 × 8,689.05
  4. Step 4: Simplify right side
    30,875.67x = 402,417,623.57
  5. Step 5: Solve for x
    x = 402,417,623.57/30,875.67
  6. Step 6: Final answer
    x = 13,033.49

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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.