Home / 56,156.47-84,206.53-18,703.37

Finding the Fourth Proportional to 56,156.47, 84,206.53 and 18,703.37

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Solution

The fourth proportional to 56,156.47, 84,206.53 and 18,703.37 is: 28,045.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,156.47 : 84,206.53 = 18,703.37 : x
  2. Step 2: Convert to fraction form
    56,156.47/84,206.53 = 18,703.37/x
  3. Step 3: Cross multiply
    56,156.47x = 84,206.53 × 18,703.37
  4. Step 4: Simplify right side
    56,156.47x = 1,574,945,840.25
  5. Step 5: Solve for x
    x = 1,574,945,840.25/56,156.47
  6. Step 6: Final answer
    x = 28,045.67

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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.