Home / 56,300.36-84,438.23-18,865.74

Finding the Fourth Proportional to 56,300.36, 84,438.23 and 18,865.74

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Solution

The fourth proportional to 56,300.36, 84,438.23 and 18,865.74 is: 28,294.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,300.36 : 84,438.23 = 18,865.74 : x
  2. Step 2: Convert to fraction form
    56,300.36/84,438.23 = 18,865.74/x
  3. Step 3: Cross multiply
    56,300.36x = 84,438.23 × 18,865.74
  4. Step 4: Simplify right side
    56,300.36x = 1,592,989,598.91
  5. Step 5: Solve for x
    x = 1,592,989,598.91/56,300.36
  6. Step 6: Final answer
    x = 28,294.49

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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.