Home / 60,521.40-90,782.74-18,408.34

Finding the Fourth Proportional to 60,521.40, 90,782.74 and 18,408.34

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Solution

The fourth proportional to 60,521.40, 90,782.74 and 18,408.34 is: 27,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,521.40 : 90,782.74 = 18,408.34 : x
  2. Step 2: Convert to fraction form
    60,521.40/90,782.74 = 18,408.34/x
  3. Step 3: Cross multiply
    60,521.40x = 90,782.74 × 18,408.34
  4. Step 4: Simplify right side
    60,521.40x = 1,671,159,544.05
  5. Step 5: Solve for x
    x = 1,671,159,544.05/60,521.40
  6. Step 6: Final answer
    x = 27,612.70

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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.