Home / 31,536,031.40-47,304,047.10-21,383,685.80

Finding the Fourth Proportional to 31,536,031.40, 47,304,047.10 and 21,383,685.80

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Solution

The fourth proportional to 31,536,031.40, 47,304,047.10 and 21,383,685.80 is: 32,075,528.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536,031.40 : 47,304,047.10 = 21,383,685.80 : x
  2. Step 2: Convert to fraction form
    31,536,031.40/47,304,047.10 = 21,383,685.80/x
  3. Step 3: Cross multiply
    31,536,031.40x = 47,304,047.10 × 21,383,685.80
  4. Step 4: Simplify right side
    31,536,031.40x = 1,011,534,880,254,801.25
  5. Step 5: Solve for x
    x = 1,011,534,880,254,801.25/31,536,031.40
  6. Step 6: Final answer
    x = 32,075,528.70

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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.