Home / 39,088,040.64-53,941,559.64-21,684,386.28

Finding the Fourth Proportional to 39,088,040.64, 53,941,559.64 and 21,684,386.28

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Solution

The fourth proportional to 39,088,040.64, 53,941,559.64 and 21,684,386.28 is: 29,924,488.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,088,040.64 : 53,941,559.64 = 21,684,386.28 : x
  2. Step 2: Convert to fraction form
    39,088,040.64/53,941,559.64 = 21,684,386.28/x
  3. Step 3: Cross multiply
    39,088,040.64x = 53,941,559.64 × 21,684,386.28
  4. Step 4: Simplify right side
    39,088,040.64x = 1,169,689,615,779,417.75
  5. Step 5: Solve for x
    x = 1,169,689,615,779,417.75/39,088,040.64
  6. Step 6: Final answer
    x = 29,924,488.33

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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.