Home / 30,875.52-46,307.02-8,689.92

Finding the Fourth Proportional to 30,875.52, 46,307.02 and 8,689.92

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Solution

The fourth proportional to 30,875.52, 46,307.02 and 8,689.92 is: 13,033.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,875.52 : 46,307.02 = 8,689.92 : x
  2. Step 2: Convert to fraction form
    30,875.52/46,307.02 = 8,689.92/x
  3. Step 3: Cross multiply
    30,875.52x = 46,307.02 × 8,689.92
  4. Step 4: Simplify right side
    30,875.52x = 402,404,299.24
  5. Step 5: Solve for x
    x = 402,404,299.24/30,875.52
  6. Step 6: Final answer
    x = 13,033.12

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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.