Home / 56,946.09-85,421.39-21,403.83

Finding the Fourth Proportional to 56,946.09, 85,421.39 and 21,403.83

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Solution

The fourth proportional to 56,946.09, 85,421.39 and 21,403.83 is: 32,106.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,946.09 : 85,421.39 = 21,403.83 : x
  2. Step 2: Convert to fraction form
    56,946.09/85,421.39 = 21,403.83/x
  3. Step 3: Cross multiply
    56,946.09x = 85,421.39 × 21,403.83
  4. Step 4: Simplify right side
    56,946.09x = 1,828,344,909.92
  5. Step 5: Solve for x
    x = 1,828,344,909.92/56,946.09
  6. Step 6: Final answer
    x = 32,106.59

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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.