Home / 45,656.19-68,484.28-12,376.25

Finding the Fourth Proportional to 45,656.19, 68,484.28 and 12,376.25

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Solution

The fourth proportional to 45,656.19, 68,484.28 and 12,376.25 is: 18,564.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,656.19 : 68,484.28 = 12,376.25 : x
  2. Step 2: Convert to fraction form
    45,656.19/68,484.28 = 12,376.25/x
  3. Step 3: Cross multiply
    45,656.19x = 68,484.28 × 12,376.25
  4. Step 4: Simplify right side
    45,656.19x = 847,578,570.35
  5. Step 5: Solve for x
    x = 847,578,570.35/45,656.19
  6. Step 6: Final answer
    x = 18,564.38

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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.