Home / 46,447.08-64,123.56-30,577.68

Finding the Fourth Proportional to 46,447.08, 64,123.56 and 30,577.68

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Solution

The fourth proportional to 46,447.08, 64,123.56 and 30,577.68 is: 42,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,447.08 : 64,123.56 = 30,577.68 : x
  2. Step 2: Convert to fraction form
    46,447.08/64,123.56 = 30,577.68/x
  3. Step 3: Cross multiply
    46,447.08x = 64,123.56 × 30,577.68
  4. Step 4: Simplify right side
    46,447.08x = 1,960,749,698.14
  5. Step 5: Solve for x
    x = 1,960,749,698.14/46,447.08
  6. Step 6: Final answer
    x = 42,214.70

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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.