Home / 35,730.32-49,308.14-19,814.63

Finding the Fourth Proportional to 35,730.32, 49,308.14 and 19,814.63

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Solution

The fourth proportional to 35,730.32, 49,308.14 and 19,814.63 is: 27,344.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,730.32 : 49,308.14 = 19,814.63 : x
  2. Step 2: Convert to fraction form
    35,730.32/49,308.14 = 19,814.63/x
  3. Step 3: Cross multiply
    35,730.32x = 49,308.14 × 19,814.63
  4. Step 4: Simplify right side
    35,730.32x = 977,022,353.08
  5. Step 5: Solve for x
    x = 977,022,353.08/35,730.32
  6. Step 6: Final answer
    x = 27,344.35

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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.