Home / 39,033,700.45-53,866,827.54-21,630,336.31

Finding the Fourth Proportional to 39,033,700.45, 53,866,827.54 and 21,630,336.31

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Solution

The fourth proportional to 39,033,700.45, 53,866,827.54 and 21,630,336.31 is: 29,850,041.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,033,700.45 : 53,866,827.54 = 21,630,336.31 : x
  2. Step 2: Convert to fraction form
    39,033,700.45/53,866,827.54 = 21,630,336.31/x
  3. Step 3: Cross multiply
    39,033,700.45x = 53,866,827.54 × 21,630,336.31
  4. Step 4: Simplify right side
    39,033,700.45x = 1,165,157,595,642,970
  5. Step 5: Solve for x
    x = 1,165,157,595,642,970/39,033,700.45
  6. Step 6: Final answer
    x = 29,850,041.94

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1.5x scale

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.