Home / 39,074,730.42-53,924,928.06-21,670,038.48

Finding the Fourth Proportional to 39,074,730.42, 53,924,928.06 and 21,670,038.48

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Solution

The fourth proportional to 39,074,730.42, 53,924,928.06 and 21,670,038.48 is: 29,905,651.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,074,730.42 : 53,924,928.06 = 21,670,038.48 : x
  2. Step 2: Convert to fraction form
    39,074,730.42/53,924,928.06 = 21,670,038.48/x
  3. Step 3: Cross multiply
    39,074,730.42x = 53,924,928.06 × 21,670,038.48
  4. Step 4: Simplify right side
    39,074,730.42x = 1,168,555,266,091,431.75
  5. Step 5: Solve for x
    x = 1,168,555,266,091,431.75/39,074,730.42
  6. Step 6: Final answer
    x = 29,905,651.39

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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.