Home / 42,946.08-64,432.44-13,368.12

Finding the Fourth Proportional to 42,946.08, 64,432.44 and 13,368.12

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Solution

The fourth proportional to 42,946.08, 64,432.44 and 13,368.12 is: 20,056.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,946.08 : 64,432.44 = 13,368.12 : x
  2. Step 2: Convert to fraction form
    42,946.08/64,432.44 = 13,368.12/x
  3. Step 3: Cross multiply
    42,946.08x = 64,432.44 × 13,368.12
  4. Step 4: Simplify right side
    42,946.08x = 861,340,589.81
  5. Step 5: Solve for x
    x = 861,340,589.81/42,946.08
  6. Step 6: Final answer
    x = 20,056.33

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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.