Home / 45,827.40-68,741.04-12,547.74

Finding the Fourth Proportional to 45,827.40, 68,741.04 and 12,547.74

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Solution

The fourth proportional to 45,827.40, 68,741.04 and 12,547.74 is: 18,821.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,827.40 : 68,741.04 = 12,547.74 : x
  2. Step 2: Convert to fraction form
    45,827.40/68,741.04 = 12,547.74/x
  3. Step 3: Cross multiply
    45,827.40x = 68,741.04 × 12,547.74
  4. Step 4: Simplify right side
    45,827.40x = 862,544,697.25
  5. Step 5: Solve for x
    x = 862,544,697.25/45,827.40
  6. Step 6: Final answer
    x = 18,821.59

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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.