Home / 55,345.08-76,373.10-31,477.56

Finding the Fourth Proportional to 55,345.08, 76,373.10 and 31,477.56

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Solution

The fourth proportional to 55,345.08, 76,373.10 and 31,477.56 is: 43,437.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,345.08 : 76,373.10 = 31,477.56 : x
  2. Step 2: Convert to fraction form
    55,345.08/76,373.10 = 31,477.56/x
  3. Step 3: Cross multiply
    55,345.08x = 76,373.10 × 31,477.56
  4. Step 4: Simplify right side
    55,345.08x = 2,404,038,837.64
  5. Step 5: Solve for x
    x = 2,404,038,837.64/55,345.08
  6. Step 6: Final answer
    x = 43,437.26

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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.