Home / 51,681.51-77,522.57-18,402.87

Finding the Fourth Proportional to 51,681.51, 77,522.57 and 18,402.87

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Solution

The fourth proportional to 51,681.51, 77,522.57 and 18,402.87 is: 27,604.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,681.51 : 77,522.57 = 18,402.87 : x
  2. Step 2: Convert to fraction form
    51,681.51/77,522.57 = 18,402.87/x
  3. Step 3: Cross multiply
    51,681.51x = 77,522.57 × 18,402.87
  4. Step 4: Simplify right side
    51,681.51x = 1,426,637,777.78
  5. Step 5: Solve for x
    x = 1,426,637,777.78/51,681.51
  6. Step 6: Final answer
    x = 27,604.41

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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.