Home / 37,377,080-51,533,636.64-31,191,038.72

Finding the Fourth Proportional to 37,377,080, 51,533,636.64 and 31,191,038.72

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Solution

The fourth proportional to 37,377,080, 51,533,636.64 and 31,191,038.72 is: 43,004,634.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,377,080 : 51,533,636.64 = 31,191,038.72 : x
  2. Step 2: Convert to fraction form
    37,377,080/51,533,636.64 = 31,191,038.72/x
  3. Step 3: Cross multiply
    37,377,080x = 51,533,636.64 × 31,191,038.72
  4. Step 4: Simplify right side
    37,377,080x = 1,607,387,655,820,650.75
  5. Step 5: Solve for x
    x = 1,607,387,655,820,650.75/37,377,080
  6. Step 6: Final answer
    x = 43,004,634.28

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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.