Home / 34,931.39-48,205.07-19,015.80

Finding the Fourth Proportional to 34,931.39, 48,205.07 and 19,015.80

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Solution

The fourth proportional to 34,931.39, 48,205.07 and 19,015.80 is: 26,241.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,931.39 : 48,205.07 = 19,015.80 : x
  2. Step 2: Convert to fraction form
    34,931.39/48,205.07 = 19,015.80/x
  3. Step 3: Cross multiply
    34,931.39x = 48,205.07 × 19,015.80
  4. Step 4: Simplify right side
    34,931.39x = 916,657,970.11
  5. Step 5: Solve for x
    x = 916,657,970.11/34,931.39
  6. Step 6: Final answer
    x = 26,241.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.