Home / 57,014.37-78,686.46-47,437.32

Finding the Fourth Proportional to 57,014.37, 78,686.46 and 47,437.32

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Solution

The fourth proportional to 57,014.37, 78,686.46 and 47,437.32 is: 65,469.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,014.37 : 78,686.46 = 47,437.32 : x
  2. Step 2: Convert to fraction form
    57,014.37/78,686.46 = 47,437.32/x
  3. Step 3: Cross multiply
    57,014.37x = 78,686.46 × 47,437.32
  4. Step 4: Simplify right side
    57,014.37x = 3,732,674,782.69
  5. Step 5: Solve for x
    x = 3,732,674,782.69/57,014.37
  6. Step 6: Final answer
    x = 65,469.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.