Home / 42,814.99-64,228.64-13,235.13

Finding the Fourth Proportional to 42,814.99, 64,228.64 and 13,235.13

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Solution

The fourth proportional to 42,814.99, 64,228.64 and 13,235.13 is: 19,854.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,814.99 : 64,228.64 = 13,235.13 : x
  2. Step 2: Convert to fraction form
    42,814.99/64,228.64 = 13,235.13/x
  3. Step 3: Cross multiply
    42,814.99x = 64,228.64 × 13,235.13
  4. Step 4: Simplify right side
    42,814.99x = 850,074,333.95
  5. Step 5: Solve for x
    x = 850,074,333.95/42,814.99
  6. Step 6: Final answer
    x = 19,854.60

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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.