Home / 56,427.04-77,889.52-38,509.24

Finding the Fourth Proportional to 56,427.04, 77,889.52 and 38,509.24

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Solution

The fourth proportional to 56,427.04, 77,889.52 and 38,509.24 is: 53,156.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,427.04 : 77,889.52 = 38,509.24 : x
  2. Step 2: Convert to fraction form
    56,427.04/77,889.52 = 38,509.24/x
  3. Step 3: Cross multiply
    56,427.04x = 77,889.52 × 38,509.24
  4. Step 4: Simplify right side
    56,427.04x = 2,999,466,219.16
  5. Step 5: Solve for x
    x = 2,999,466,219.16/56,427.04
  6. Step 6: Final answer
    x = 53,156.54

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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.