Home / 64,312.21-96,464.58-19,332.60

Finding the Fourth Proportional to 64,312.21, 96,464.58 and 19,332.60

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Solution

The fourth proportional to 64,312.21, 96,464.58 and 19,332.60 is: 28,997.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,312.21 : 96,464.58 = 19,332.60 : x
  2. Step 2: Convert to fraction form
    64,312.21/96,464.58 = 19,332.60/x
  3. Step 3: Cross multiply
    64,312.21x = 96,464.58 × 19,332.60
  4. Step 4: Simplify right side
    64,312.21x = 1,864,911,139.31
  5. Step 5: Solve for x
    x = 1,864,911,139.31/64,312.21
  6. Step 6: Final answer
    x = 28,997.78

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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.