Home / 39,554,429.90-59,348,695.24-21,355,011.42

Finding the Fourth Proportional to 39,554,429.90, 59,348,695.24 and 21,355,011.42

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Solution

The fourth proportional to 39,554,429.90, 59,348,695.24 and 21,355,011.42 is: 32,041,722.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,554,429.90 : 59,348,695.24 = 21,355,011.42 : x
  2. Step 2: Convert to fraction form
    39,554,429.90/59,348,695.24 = 21,355,011.42/x
  3. Step 3: Cross multiply
    39,554,429.90x = 59,348,695.24 × 21,355,011.42
  4. Step 4: Simplify right side
    39,554,429.90x = 1,267,392,064,416,478.50
  5. Step 5: Solve for x
    x = 1,267,392,064,416,478.50/39,554,429.90
  6. Step 6: Final answer
    x = 32,041,722.45

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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.