Home / 38,039,840.48-52,494,980.10-21,742,666.40

Finding the Fourth Proportional to 38,039,840.48, 52,494,980.10 and 21,742,666.40

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Solution

The fourth proportional to 38,039,840.48, 52,494,980.10 and 21,742,666.40 is: 30,004,879.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,039,840.48 : 52,494,980.10 = 21,742,666.40 : x
  2. Step 2: Convert to fraction form
    38,039,840.48/52,494,980.10 = 21,742,666.40/x
  3. Step 3: Cross multiply
    38,039,840.48x = 52,494,980.10 × 21,742,666.40
  4. Step 4: Simplify right side
    38,039,840.48x = 1,141,380,839,988,938.50
  5. Step 5: Solve for x
    x = 1,141,380,839,988,938.50/38,039,840.48
  6. Step 6: Final answer
    x = 30,004,879.77

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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.