Home / 37,631.99-51,929.91-21,501.05

Finding the Fourth Proportional to 37,631.99, 51,929.91 and 21,501.05

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Solution

The fourth proportional to 37,631.99, 51,929.91 and 21,501.05 is: 29,670.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,631.99 : 51,929.91 = 21,501.05 : x
  2. Step 2: Convert to fraction form
    37,631.99/51,929.91 = 21,501.05/x
  3. Step 3: Cross multiply
    37,631.99x = 51,929.91 × 21,501.05
  4. Step 4: Simplify right side
    37,631.99x = 1,116,547,331.76
  5. Step 5: Solve for x
    x = 1,116,547,331.76/37,631.99
  6. Step 6: Final answer
    x = 29,670.16

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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.