Home / 45,966.83-68,948.87-12,688.92

Finding the Fourth Proportional to 45,966.83, 68,948.87 and 12,688.92

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Solution

The fourth proportional to 45,966.83, 68,948.87 and 12,688.92 is: 19,033.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,966.83 : 68,948.87 = 12,688.92 : x
  2. Step 2: Convert to fraction form
    45,966.83/68,948.87 = 12,688.92/x
  3. Step 3: Cross multiply
    45,966.83x = 68,948.87 × 12,688.92
  4. Step 4: Simplify right side
    45,966.83x = 874,886,632.08
  5. Step 5: Solve for x
    x = 874,886,632.08/45,966.83
  6. Step 6: Final answer
    x = 19,033.00

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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.