Home / 38,957,256.85-53,760,985.91-21,316,275.24

Finding the Fourth Proportional to 38,957,256.85, 53,760,985.91 and 21,316,275.24

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Solution

The fourth proportional to 38,957,256.85, 53,760,985.91 and 21,316,275.24 is: 29,416,444.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,957,256.85 : 53,760,985.91 = 21,316,275.24 : x
  2. Step 2: Convert to fraction form
    38,957,256.85/53,760,985.91 = 21,316,275.24/x
  3. Step 3: Cross multiply
    38,957,256.85x = 53,760,985.91 × 21,316,275.24
  4. Step 4: Simplify right side
    38,957,256.85x = 1,145,983,972,831,321.75
  5. Step 5: Solve for x
    x = 1,145,983,972,831,321.75/38,957,256.85
  6. Step 6: Final answer
    x = 29,416,444.21

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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.