Home / 42,262.96-63,392.28-12,681.04

Finding the Fourth Proportional to 42,262.96, 63,392.28 and 12,681.04

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Solution

The fourth proportional to 42,262.96, 63,392.28 and 12,681.04 is: 19,020.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,262.96 : 63,392.28 = 12,681.04 : x
  2. Step 2: Convert to fraction form
    42,262.96/63,392.28 = 12,681.04/x
  3. Step 3: Cross multiply
    42,262.96x = 63,392.28 × 12,681.04
  4. Step 4: Simplify right side
    42,262.96x = 803,880,038.37
  5. Step 5: Solve for x
    x = 803,880,038.37/42,262.96
  6. Step 6: Final answer
    x = 19,020.91

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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.