Home / 51,726.86-77,588.75-14,289.18

Finding the Fourth Proportional to 51,726.86, 77,588.75 and 14,289.18

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Solution

The fourth proportional to 51,726.86, 77,588.75 and 14,289.18 is: 21,433.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,726.86 : 77,588.75 = 14,289.18 : x
  2. Step 2: Convert to fraction form
    51,726.86/77,588.75 = 14,289.18/x
  3. Step 3: Cross multiply
    51,726.86x = 77,588.75 × 14,289.18
  4. Step 4: Simplify right side
    51,726.86x = 1,108,679,155.34
  5. Step 5: Solve for x
    x = 1,108,679,155.34/51,726.86
  6. Step 6: Final answer
    x = 21,433.34

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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.