Home / 42,389.21-63,597.19-26,605.22

Finding the Fourth Proportional to 42,389.21, 63,597.19 and 26,605.22

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Solution

The fourth proportional to 42,389.21, 63,597.19 and 26,605.22 is: 39,916.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,389.21 : 63,597.19 = 26,605.22 : x
  2. Step 2: Convert to fraction form
    42,389.21/63,597.19 = 26,605.22/x
  3. Step 3: Cross multiply
    42,389.21x = 63,597.19 × 26,605.22
  4. Step 4: Simplify right side
    42,389.21x = 1,692,017,323.81
  5. Step 5: Solve for x
    x = 1,692,017,323.81/42,389.21
  6. Step 6: Final answer
    x = 39,916.22

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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.