Home / 55,612.16-83,417.53-13,492.56

Finding the Fourth Proportional to 55,612.16, 83,417.53 and 13,492.56

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Solution

The fourth proportional to 55,612.16, 83,417.53 and 13,492.56 is: 20,238.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,612.16 : 83,417.53 = 13,492.56 : x
  2. Step 2: Convert to fraction form
    55,612.16/83,417.53 = 13,492.56/x
  3. Step 3: Cross multiply
    55,612.16x = 83,417.53 × 13,492.56
  4. Step 4: Simplify right side
    55,612.16x = 1,125,516,028.58
  5. Step 5: Solve for x
    x = 1,125,516,028.58/55,612.16
  6. Step 6: Final answer
    x = 20,238.67

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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.