Home / 45,186.84-67,302.59-42,815.16

Finding the Fourth Proportional to 45,186.84, 67,302.59 and 42,815.16

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Solution

The fourth proportional to 45,186.84, 67,302.59 and 42,815.16 is: 63,770.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,186.84 : 67,302.59 = 42,815.16 : x
  2. Step 2: Convert to fraction form
    45,186.84/67,302.59 = 42,815.16/x
  3. Step 3: Cross multiply
    45,186.84x = 67,302.59 × 42,815.16
  4. Step 4: Simplify right side
    45,186.84x = 2,881,570,945.19
  5. Step 5: Solve for x
    x = 2,881,570,945.19/45,186.84
  6. Step 6: Final answer
    x = 63,770.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.