Home / 34,985.05-48,276.30-19,459.70

Finding the Fourth Proportional to 34,985.05, 48,276.30 and 19,459.70

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Solution

The fourth proportional to 34,985.05, 48,276.30 and 19,459.70 is: 26,852.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,985.05 : 48,276.30 = 19,459.70 : x
  2. Step 2: Convert to fraction form
    34,985.05/48,276.30 = 19,459.70/x
  3. Step 3: Cross multiply
    34,985.05x = 48,276.30 × 19,459.70
  4. Step 4: Simplify right side
    34,985.05x = 939,442,315.11
  5. Step 5: Solve for x
    x = 939,442,315.11/34,985.05
  6. Step 6: Final answer
    x = 26,852.68

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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.