Home / 39,207,323.80-58,810,985.70-20,031,707.80

Finding the Fourth Proportional to 39,207,323.80, 58,810,985.70 and 20,031,707.80

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Solution

The fourth proportional to 39,207,323.80, 58,810,985.70 and 20,031,707.80 is: 30,047,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,207,323.80 : 58,810,985.70 = 20,031,707.80 : x
  2. Step 2: Convert to fraction form
    39,207,323.80/58,810,985.70 = 20,031,707.80/x
  3. Step 3: Cross multiply
    39,207,323.80x = 58,810,985.70 × 20,031,707.80
  4. Step 4: Simplify right side
    39,207,323.80x = 1,178,084,480,972,378.50
  5. Step 5: Solve for x
    x = 1,178,084,480,972,378.50/39,207,323.80
  6. Step 6: Final answer
    x = 30,047,561.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.