Home / 39,033,706.95-53,866,836.51-21,630,342.81

Finding the Fourth Proportional to 39,033,706.95, 53,866,836.51 and 21,630,342.81

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Solution

The fourth proportional to 39,033,706.95, 53,866,836.51 and 21,630,342.81 is: 29,850,050.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,033,706.95 : 53,866,836.51 = 21,630,342.81 : x
  2. Step 2: Convert to fraction form
    39,033,706.95/53,866,836.51 = 21,630,342.81/x
  3. Step 3: Cross multiply
    39,033,706.95x = 53,866,836.51 × 21,630,342.81
  4. Step 4: Simplify right side
    39,033,706.95x = 1,165,158,139,801,524
  5. Step 5: Solve for x
    x = 1,165,158,139,801,524/39,033,706.95
  6. Step 6: Final answer
    x = 29,850,050.91

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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.