Home / 56,386.46-84,581.06-18,947.07

Finding the Fourth Proportional to 56,386.46, 84,581.06 and 18,947.07

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Solution

The fourth proportional to 56,386.46, 84,581.06 and 18,947.07 is: 28,421.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,386.46 : 84,581.06 = 18,947.07 : x
  2. Step 2: Convert to fraction form
    56,386.46/84,581.06 = 18,947.07/x
  3. Step 3: Cross multiply
    56,386.46x = 84,581.06 × 18,947.07
  4. Step 4: Simplify right side
    56,386.46x = 1,602,563,169.76
  5. Step 5: Solve for x
    x = 1,602,563,169.76/56,386.46
  6. Step 6: Final answer
    x = 28,421.07

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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.